Brief prayer services traditionally celebrated at specific times of day: First Hour (6 AM), Third Hour (9 AM), Sixth Hour (noon), and Ninth Hour (3 PM). Each Hour includes psalms, troparia, and prayers appropriate to that time of day. These services sanctify the day and connect us to Christ's Passion, as they commemorate specific moments in His crucifixion and death.

The central worship service of the Orthodox Church, celebrating the Eucharist (Holy Communion). Usually celebrated on Sundays and feast days, the Divine Liturgy consists of the Liturgy of the Word (scripture readings) and Liturgy of the Faithful (Eucharistic prayer and communion). The most common forms are the Liturgies of St. John Chrysostom and St. Basil the Great.

The evening prayer service of the Orthodox Church, traditionally celebrated at sunset. Vespers includes psalms, hymns, scripture readings, and incense. On Saturday evenings, Great Vespers is often combined with the Sunday Divine Liturgy. The service marks the end of the liturgical day and prepares the faithful for rest and reflection.

A special Lenten service combining Vespers with communion using bread consecrated at a previous Divine Liturgy. Celebrated on Wednesday and Friday evenings during Great Lent, this service allows the faithful to receive communion during the fasting period without celebrating the full Divine Liturgy. It maintains the penitential character of Lent while providing spiritual nourishment.

A devotional service of praise consisting of hymns sung while standing ("akathist" means "not sitting"). The most famous is the Akathist to the Theotokos, traditionally sung during the fifth Friday of Great Lent. Akathists can honor Christ, the Theotokos, or various saints. These services are deeply moving expressions of Orthodox hymnography and devotion.

A service of remembrance for the departed, asking for God's mercy on their souls and offering prayers for their eternal rest. Often called Panikhida in Slavic traditions, these services may be held at funerals, on memorial days, or on the anniversary of death. The service expresses the Orthodox belief in the communion of saints and our ongoing prayer relationship with the departed.

A lengthy service combining Vespers and Matins, traditionally celebrated on the eve of Sundays and major feasts. The All-Night Vigil includes the singing of "Lord, I Call," the Magnificat, the Great Doxology, and numerous psalms and hymns. This service prepares the faithful spiritually for the upcoming feast.

The 14th-century Archbishop of Thessalonica who defended hesychast spirituality and taught about the uncreated energies of God. Celebrated on the Second Sunday of Lent, Palamas developed theological foundations for mystical prayer and the Jesus Prayer tradition. His teachings on theosis (deification) are central to Orthodox spiritual life.

The morning prayer service of the Orthodox Church, traditionally celebrated at dawn. Also called Orthros in Greek tradition, this service includes the reading of the Gospel, the Great Doxology, and numerous psalms and hymns. Matins prepares the faithful for the day and is often celebrated immediately before the Divine Liturgy on Sundays and feast days.

The first-called apostle and brother of Peter, who brought Peter to Christ. Celebrated on November 30th, Andrew is patron of Russia, Scotland, and Greece. According to tradition, he preached throughout Asia Minor and was crucified on an X-shaped cross, which bears his name. He represents the call to bring others to Christ.

The "Feast of Feasts" celebrating Christ's Resurrection from the dead. The most important celebration in the Orthodox Church, Pascha determines the date of all moveable feasts. The service begins with the joyful midnight proclamation "Christ is Risen!" and continues with the Divine Liturgy of St. John Chrysostom.